Aspen Hill, Maryland, United States Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Aspen Hill, Maryland, United States
AQI Trends: Highest and Lowest
Same Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 52 of Moderate air quality on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Aspen Hill, Maryland, United States
6 AM14th Aug 2026
8 PM
5 AM15th Aug 2026
62AQI
48AQI
60AQI
52AQI
In the last 24 hours,
Aspen Hill's AQI reached its highest point of 62 at 4 PM during the Day, while the lowest point, 48, was recorded at 6 AM during the Day between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Aspen Hill, Maryland, United States
27°C20/35°C
27°C22/37°C
26°C22/33°C
24°C17/33°C
26°C23/36°C
26°C20/34°C
22°C16/30°C
22°C15/31°C
23°C19/30°C
23°C17/31°C
26°C20/33°C
25°C21/31°C
23°C19/31°C
24°C17/31°C
25°C19/32°C
26°C19/34°C
25°C22/31°C
26°C22/31°C
25°C19/31°C
26°C22/31°C
27°C23/34°C
27°C21/36°C
27°C21/34°C
28°C22/37°C
26°C22/37°C
24°C20/32°C
26°C21/34°C
28°C22/35°C
26°C22/30°C
25°C21/31°C
49AQI
42AQI
47AQI
41AQI
2026 Days Vs Air Quality
Aspen Hill, Maryland, United States
92%
205
8%
17
0.4%
1
0.4%
1
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2026, 92% of 227 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Aspen Hill, Maryland, United States
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI (US)
32AQI (US)
37AQI (US)
43AQI (US)
46AQI (US)
55AQI (US)
51AQI (US)
21AQI (US)
31AQI (US)
28AQI (US)
11AQI (US)
14AQI (US)
29AQI (US)
24AQI (US)
24AQI (US)
17AQI (US)
32AQI (US)
47AQI (US)
23AQI (US)
15AQI (US)
31AQI (US)
48AQI (US)
55AQI (US)
48AQI (US)
48AQI (US)
48AQI (US)
38AQI (US)
45AQI (US)
51AQI (US)
56AQI (US)
43AQI (US)
46AQI (US)
50AQI (US)
47AQI (US)
49AQI (US)
47AQI (US)
44AQI (US)
39AQI (US)
44AQI (US)
47AQI (US)
45AQI (US)
40AQI (US)
39AQI (US)
47AQI (US)
50AQI (US)
43AQI (US)
45AQI (US)
46AQI (US)
42AQI (US)
43AQI (US)
36AQI (US)
36AQI (US)
35AQI (US)
39AQI (US)
45AQI (US)
44AQI (US)
34AQI (US)
34AQI (US)
33AQI (US)
38AQI (US)
54AQI (US)
45AQI (US)
45AQI (US)
37AQI (US)
30AQI (US)
36AQI (US)
38AQI (US)
37AQI (US)
32AQI (US)
40AQI (US)
39AQI (US)
40AQI (US)
35AQI (US)
34AQI (US)
37AQI (US)
34AQI (US)
31AQI (US)
34AQI (US)
36AQI (US)
36AQI (US)
35AQI (US)
40AQI (US)
36AQI (US)
32AQI (US)
27AQI (US)
30AQI (US)
31AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
29AQI (US)
30AQI (US)
27AQI (US)
31AQI (US)
29AQI (US)
29AQI (US)
28AQI (US)
39AQI (US)
28AQI (US)
31AQI (US)
31AQI (US)
26AQI (US)
30AQI (US)
32AQI (US)
33AQI (US)
30AQI (US)
30AQI (US)
33AQI (US)
29AQI (US)
27AQI (US)
23AQI (US)
25AQI (US)
28AQI (US)
33AQI (US)
28AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
27AQI (US)
23AQI (US)
20AQI (US)
36AQI (US)
40AQI (US)
30AQI (US)
28AQI (US)
29AQI (US)
31AQI (US)
29AQI (US)
31AQI (US)
29AQI (US)
26AQI (US)
46AQI (US)
52AQI (US)
56AQI (US)
57AQI (US)
54AQI (US)
50AQI (US)
44AQI (US)
44AQI (US)
51AQI (US)
48AQI (US)
46AQI (US)
28AQI (US)
27AQI (US)
21AQI (US)
19AQI (US)
22AQI (US)
26AQI (US)
28AQI (US)
27AQI (US)
22AQI (US)
23AQI (US)
27AQI (US)
25AQI (US)
23AQI (US)
23AQI (US)
20AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
24AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
28AQI (US)
27AQI (US)
21AQI (US)
21AQI (US)
18AQI (US)
22AQI (US)
19AQI (US)
21AQI (US)
25AQI (US)
26AQI (US)
29AQI (US)
27AQI (US)
25AQI (US)
26AQI (US)
33AQI (US)
65AQI (US)
58AQI (US)
34AQI (US)
34AQI (US)
27AQI (US)
29AQI (US)
26AQI (US)
28AQI (US)
31AQI (US)
29AQI (US)
28AQI (US)
29AQI (US)
29AQI (US)
23AQI (US)
24AQI (US)
157AQI (US)
125AQI (US)
61AQI (US)
55AQI (US)
44AQI (US)
38AQI (US)
28AQI (US)
32AQI (US)
24AQI (US)
30AQI (US)
38AQI (US)
49AQI (US)
34AQI (US)
24AQI (US)
30AQI (US)
38AQI (US)
36AQI (US)
35AQI (US)
28AQI (US)
29AQI (US)
41AQI (US)
29AQI (US)
26AQI (US)
34AQI (US)
40AQI (US)
37AQI (US)
36AQI (US)
40AQI (US)
55AQI (US)
52AQI (US)
36AQI (US)
42AQI (US)
35AQI (US)
29AQI (US)
36AQI (US)
24AQI (US)
42AQI (US)
37AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
February42AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202531AQI (US)
Highest AQI (US) recorded in
December38AQI (US)
Lowest AQI (US) recorded in
May21AQI (US)
202430AQI (US)
Highest AQI (US) recorded in
June38AQI (US)
Lowest AQI (US) recorded in
November23AQI (US)
202332AQI (US)
Highest AQI (US) recorded in
June55AQI (US)
Lowest AQI (US) recorded in
January23AQI (US)
202233AQI (US)
Highest AQI (US) recorded in
January48AQI (US)
Lowest AQI (US) recorded in
November23AQI (US)
202134AQI (US)
Highest AQI (US) recorded in
February41AQI (US)
Lowest AQI (US) recorded in
October26AQI (US)
202030AQI (US)
Highest AQI (US) recorded in
July34AQI (US)
Lowest AQI (US) recorded in
September22AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Aspen Hill's annual 2026 AQI (US) (35) shows an average percentage change of 10.7% (worsened AQI (US)) compared to previous years: 2020 (30), 2021 (34), 2022 (33), 2023 (32), 2024 (30), 2025 (31).